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Finding the Fourth Proportional to 67,908.84, 101,863.77 and 25,777.56

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Solution

The fourth proportional to 67,908.84, 101,863.77 and 25,777.56 is: 38,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,908.84 : 101,863.77 = 25,777.56 : x
  2. Step 2: Convert to fraction form
    67,908.84/101,863.77 = 25,777.56/x
  3. Step 3: Cross multiply
    67,908.84x = 101,863.77 × 25,777.56
  4. Step 4: Simplify right side
    67,908.84x = 2,625,799,728.32
  5. Step 5: Solve for x
    x = 2,625,799,728.32/67,908.84
  6. Step 6: Final answer
    x = 38,666.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.